Author: Koplatadze, R.

Koplatadze, R.: On asymptotic behavior of solutions of $n$-th order Emden-Fowler differential equations with advanced argument. (English). Czechoslovak Mathematical Journal, vol. 60 (2010), issue 3, pp. 817-833
Koplatadze, R.; Partsvania, N. L.; Stavroulakis, I. P.: Asymptotic behaviour of solutions of two-dimensional linear differential systems with deviating arguments. (English). Archivum Mathematicum, vol. 39 (2003), issue 3, pp. 213-232